Cody Boone Ferguson
8eca5d216d
It is actually used to silence the unknown warning option, not unknown warnings.
192 lines
4.0 KiB
Makefile
192 lines
4.0 KiB
Makefile
#!/usr/bin/env make
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#
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# IOCCC 1988 winning entry - applin
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################################################################################
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#
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# IOCCC winning entry code may not work on your system. What was liked/allowed
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# and worked in the past may no longer be liked/allowed or compile/run today.
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#
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# Bug fixes, corrections and typo fixes are VERY WELCOME. If you see a problem,
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# first check this URL for a list of known bugs and (mis)features of IOCCC entries:
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#
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# http://www.ioccc.org/bugs.html
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#
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# GitHub pull requests are welcome! Please see the above URL for details.
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#
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################################################################################
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#
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# This file is Copyright (c) 2023 by Landon Curt Noll. All Rights Reserved.
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# You are free to share and adapt this file under the terms of this license:
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#
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# Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
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#
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# For more information, see: https://creativecommons.org/licenses/by-sa/4.0/
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#############################
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# shell used by this Makefile
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#############################
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#
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SHELL= bash
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#######################
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# common tool locations
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#######################
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#
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include ../../var.mk
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# Common C compiler warnings to silence
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#
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CSILENCE= -Wno-expansion-to-defined -Wno-implicit-int -Wno-strict-prototypes \
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-Wno-gnu-line-marker -Wno-return-type
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# Attempt to silence unknown warning option
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#
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CUNKNOWN= -Wno-unknown-warning-option
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# Common C compiler warning flags
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#
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CWARN= -Wall -Wextra ${CSILENCE} ${CUNKNOWN}
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# Compiler standard
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#
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CSTD= -std=gnu89
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# Compiler bit architecture
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#
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ARCH=
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# Defines that are needed to compile
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#
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CDEFINE=
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# Include files that are needed to compile
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#
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CINCLUDE=
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# Optimization
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#
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OPT= -O3
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# Default flags for ANSI C compilation
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#
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CFLAGS= ${CSTD} ${CWARN} ${ARCH} ${CDEFINE} ${CINCLUDE} ${OPT}
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# Libraries needed to build
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#
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LDFLAGS=
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# C compiler to use
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#
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CC= cc
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# Compiler add-ons or replacements for clang only
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#
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ifeq "$(findstring $(CLANG),${CC})" "$(CLANG)"
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#
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CSILENCE+= -Wno-poison-system-directories -Wno-gnu-line-marker
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#
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CWARN+= -Weverything
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#
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endif
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# Specific add-ons or replacements for gcc only
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#
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ifeq "$(findstring $(GCC),${CC})" "$(GCC)"
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#
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#CSILENCE+=
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#
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#CWARN+=
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#
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endif
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##############################
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# Special Makefile variables for this entry
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##############################
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#
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ENTRY= applin
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PROG= ${ENTRY}
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#
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OBJ= ${PROG}.o
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DATA=
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TARGET= ${PROG}
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#
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ALT_OBJ= applin.alt.o
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ALT_TARGET= applin.alt
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#################
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# build the entry
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#################
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#
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all: data ${TARGET}
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@${TRUE}
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.PHONY: all alt data everything clean clobber install
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# Way back in 1988 ..
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#
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# This entry took 75 minutes to compile on a Amdahl 5980-300E
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# (a 55658 Dhyrstone/sec/cpu machine) using the System V cpp.
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# (The GNU cpp when defined as BIG_CPP took only 45 seconds.)
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# Your cpp may not be able to compile it due to a common bug
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# that results in cpp running out of space. The routine
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# 'zsmall' is a smaller version of the applin.c entry.
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#
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${PROG}: ${PROG}.c
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${RM} -f large.c
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${CPP} '-DM=#include "large.c"' '-DR=#include' '-DF=#if' \
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'-DI=#ifdef' '-DL=#else' '-DE=#endif' '-DN=#ifndef' \
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'-DD=#define' '-DU=#undef' ${PROG}.c > large.c
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${CC} ${CFLAGS} large.c -o $@
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# alternative executable
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#
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alt: data ${ALT_TARGET}
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@${TRUE}
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${ALT_TARGET}: ${PROG}.alt.c
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${CP} -f ${PROG}.alt.c zsmall.c
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${CC} ${CFLAGS} zsmall.c -o $@
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# not an official entry
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#
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# The 'zsmall.c' program was obtained from 'applin.c' by reducing its recursion
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# and running it through the initial /lib/cpp. That is, 'zsmall.c' is a small
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# version of the 'large.c' file as produced by the 'applin' make rule above.
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zsmall: zsmall.c
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${CC} ${CFLAGS} zsmall.c -o $@
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# data files
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#
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data: ${DATA}
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@${TRUE}
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# both all and alt
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#
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everything: all alt
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@${TRUE}
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###############
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# utility rules
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###############
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#
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clean:
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${RM} -f ${OBJ} ${ALT_OBJ}
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${RM} -f large.o
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clobber: clean
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${RM} -f ${TARGET} ${ALT_TARGET}
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${RM} -rf *.dSYM zsmall.c
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${RM} -f large.c
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######################################
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# optional include of 1337 hacker rulz
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######################################
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-include 1337.mk ../1337.mk ../../1337.mk
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